Cofunction Identities
Flashcard
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the cofunction identity for sine?
Back
sin(θ) = cos(90° - θ)
2.
FLASHCARD QUESTION
Front
What is the cofunction identity for cosine?
Back
cos(θ) = sin(90° - θ)
3.
FLASHCARD QUESTION
Front
What is the cofunction identity for tangent?
Back
tan(θ) = cot(90° - θ)
4.
FLASHCARD QUESTION
Front
What is the cofunction identity for cotangent?
Back
cot(θ) = tan(90° - θ)
5.
FLASHCARD QUESTION
Front
What is the cofunction identity for secant?
Back
sec(θ) = csc(90° - θ)
6.
FLASHCARD QUESTION
Front
What is the cofunction identity for cosecant?
Back
csc(θ) = sec(90° - θ)
7.
FLASHCARD QUESTION
Front
If sin(60°) = cos(θ), what is θ?
Back
θ = 30°
Tags
CCSS.HSF.TF.C.8
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